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Information on EC 1.14.19.9 - tryptophan 7-halogenase

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IUBMB Comments
A flavin-dependent halogenase. The enzyme from the bacterium Lechevalieria aerocolonigenes catalyses the initial step in the biosynthesis of rebeccamycin . It utilizes molecular oxygen to oxidize the FADH2 cofactor, giving C4a-hydroperoxyflavin, which then reacts with chloride to produce a hypochlorite ion. The latter reacts with an active site lysine to generate a chloramine, which chlorinates the substrate. Also acts on bromide ion. cf. EC 1.14.19.58, tryptophan 5-halogenase, and EC 1.14.19.59, tryptophan 6-halogenase.
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Word Map
The enzyme appears in viruses and cellular organisms
Synonyms
halogenase, flavin-dependent halogenase, tryptophan 7-halogenase, fad-dependent halogenase, trp halogenase, flavin-dependent tryptophan halogenase, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
tryptophan + FADH2 + chloride + O2 + H+ = 7-chloro-L-tryptophan + FAD + 2 H2O
show the reaction diagram
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